java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 11:49:18,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:49:18,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:49:18,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:49:18,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:49:18,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:49:18,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:49:18,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:49:18,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:49:18,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:49:18,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:49:18,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:49:18,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:49:18,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:49:18,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:49:18,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:49:18,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:49:18,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:49:18,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:49:18,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:49:18,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:49:18,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:49:18,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 11:49:18,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 11:49:18,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 11:49:18,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 11:49:18,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 11:49:18,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 11:49:18,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 11:49:18,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 11:49:18,249 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 11:49:18,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 11:49:18,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 11:49:18,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 11:49:18,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 11:49:18,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 11:49:18,252 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:49:18,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:49:18,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:49:18,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:49:18,268 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:49:18,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:49:18,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:49:18,269 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:49:18,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:49:18,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:49:18,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:49:18,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:49:18,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:49:18,270 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:49:18,270 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:49:18,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:49:18,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:49:18,271 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:49:18,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:49:18,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:49:18,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:49:18,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:49:18,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:49:18,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:49:18,272 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:49:18,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:49:18,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:49:18,273 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:49:18,273 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:49:18,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:49:18,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:49:18,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:49:18,337 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:49:18,337 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:49:18,338 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-24 11:49:18,393 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ad7099676/a53b8f0df2e1467bb0ebc5ac1e99cd47/FLAG69d9223cd [2018-10-24 11:49:18,874 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:49:18,874 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-24 11:49:18,882 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ad7099676/a53b8f0df2e1467bb0ebc5ac1e99cd47/FLAG69d9223cd [2018-10-24 11:49:18,900 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ad7099676/a53b8f0df2e1467bb0ebc5ac1e99cd47 [2018-10-24 11:49:18,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:49:18,914 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:49:18,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:49:18,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:49:18,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:49:18,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:49:18" (1/1) ... [2018-10-24 11:49:18,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb49fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18, skipping insertion in model container [2018-10-24 11:49:18,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:49:18" (1/1) ... [2018-10-24 11:49:18,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:49:18,973 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:49:19,237 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:49:19,249 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:49:19,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:49:19,306 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:49:19,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19 WrapperNode [2018-10-24 11:49:19,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:49:19,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:49:19,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:49:19,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:49:19,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:49:19,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:49:19,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:49:19,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:49:19,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... [2018-10-24 11:49:19,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:49:19,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:49:19,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:49:19,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:49:19,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:49:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-24 11:49:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-24 11:49:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-24 11:49:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:49:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:49:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-24 11:49:20,173 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:49:20,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:49:20 BoogieIcfgContainer [2018-10-24 11:49:20,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:49:20,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:49:20,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:49:20,179 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:49:20,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:49:18" (1/3) ... [2018-10-24 11:49:20,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30547d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:49:20, skipping insertion in model container [2018-10-24 11:49:20,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:19" (2/3) ... [2018-10-24 11:49:20,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30547d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:49:20, skipping insertion in model container [2018-10-24 11:49:20,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:49:20" (3/3) ... [2018-10-24 11:49:20,185 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-24 11:49:20,196 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:49:20,209 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:49:20,226 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:49:20,258 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:49:20,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:49:20,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:49:20,259 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:49:20,259 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:49:20,259 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:49:20,259 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:49:20,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:49:20,259 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:49:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-10-24 11:49:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-24 11:49:20,283 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:49:20,284 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:49:20,286 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:49:20,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:49:20,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1790554320, now seen corresponding path program 1 times [2018-10-24 11:49:20,293 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:49:20,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:49:20,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:49:20,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:49:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:49:20,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:49:20,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 11:49:20,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 11:49:20,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 11:49:20,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:49:20,440 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-10-24 11:49:20,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:49:20,462 INFO L93 Difference]: Finished difference Result 127 states and 161 transitions. [2018-10-24 11:49:20,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 11:49:20,463 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-10-24 11:49:20,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:49:20,474 INFO L225 Difference]: With dead ends: 127 [2018-10-24 11:49:20,475 INFO L226 Difference]: Without dead ends: 53 [2018-10-24 11:49:20,478 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:49:20,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-10-24 11:49:20,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-10-24 11:49:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-24 11:49:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2018-10-24 11:49:20,517 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 25 [2018-10-24 11:49:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:49:20,518 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-10-24 11:49:20,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 11:49:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-10-24 11:49:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 11:49:20,519 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:49:20,520 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:49:20,520 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:49:20,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:49:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1525079883, now seen corresponding path program 1 times [2018-10-24 11:49:20,520 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:49:20,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:49:20,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:49:20,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:49:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:49:20,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:49:20,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:49:20,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:49:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:49:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:20,600 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand 3 states. [2018-10-24 11:49:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:49:20,676 INFO L93 Difference]: Finished difference Result 102 states and 122 transitions. [2018-10-24 11:49:20,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:49:20,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-24 11:49:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:49:20,678 INFO L225 Difference]: With dead ends: 102 [2018-10-24 11:49:20,678 INFO L226 Difference]: Without dead ends: 58 [2018-10-24 11:49:20,679 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-24 11:49:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2018-10-24 11:49:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-24 11:49:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2018-10-24 11:49:20,687 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 33 [2018-10-24 11:49:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:49:20,687 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2018-10-24 11:49:20,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:49:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-10-24 11:49:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-24 11:49:20,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:49:20,689 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:49:20,689 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:49:20,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:49:20,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1189337304, now seen corresponding path program 1 times [2018-10-24 11:49:20,690 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:49:20,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:49:20,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:49:20,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:49:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 11:49:20,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:49:20,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:49:20,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:49:20,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:49:20,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:20,786 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 3 states. [2018-10-24 11:49:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:49:20,843 INFO L93 Difference]: Finished difference Result 96 states and 116 transitions. [2018-10-24 11:49:20,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:49:20,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-24 11:49:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:49:20,845 INFO L225 Difference]: With dead ends: 96 [2018-10-24 11:49:20,846 INFO L226 Difference]: Without dead ends: 56 [2018-10-24 11:49:20,846 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-10-24 11:49:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-10-24 11:49:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-10-24 11:49:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2018-10-24 11:49:20,853 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 38 [2018-10-24 11:49:20,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:49:20,853 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2018-10-24 11:49:20,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:49:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2018-10-24 11:49:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-24 11:49:20,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:49:20,855 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:49:20,855 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:49:20,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:49:20,856 INFO L82 PathProgramCache]: Analyzing trace with hash 438805893, now seen corresponding path program 1 times [2018-10-24 11:49:20,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:49:20,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:49:20,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:49:20,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:49:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 11:49:20,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:49:20,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:49:20,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:49:20,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:49:20,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:20,957 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 3 states. [2018-10-24 11:49:21,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:49:21,067 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2018-10-24 11:49:21,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:49:21,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-10-24 11:49:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:49:21,069 INFO L225 Difference]: With dead ends: 98 [2018-10-24 11:49:21,070 INFO L226 Difference]: Without dead ends: 57 [2018-10-24 11:49:21,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-24 11:49:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-10-24 11:49:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-24 11:49:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2018-10-24 11:49:21,076 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 40 [2018-10-24 11:49:21,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:49:21,077 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2018-10-24 11:49:21,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:49:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2018-10-24 11:49:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-24 11:49:21,079 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:49:21,079 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:49:21,079 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:49:21,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:49:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash 440652935, now seen corresponding path program 1 times [2018-10-24 11:49:21,080 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:49:21,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:49:21,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:21,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:49:21,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:49:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:49:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-24 11:49:21,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:49:21,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:49:21,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:49:21,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:49:21,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:21,214 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand 3 states. [2018-10-24 11:49:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:49:21,226 INFO L93 Difference]: Finished difference Result 93 states and 112 transitions. [2018-10-24 11:49:21,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:49:21,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-10-24 11:49:21,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:49:21,228 INFO L225 Difference]: With dead ends: 93 [2018-10-24 11:49:21,228 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 11:49:21,229 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:49:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 11:49:21,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 11:49:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 11:49:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 11:49:21,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-10-24 11:49:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:49:21,230 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 11:49:21,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:49:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 11:49:21,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 11:49:21,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 11:49:21,259 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,259 INFO L425 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,259 INFO L425 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,259 INFO L425 ceAbstractionStarter]: For program point L60-4(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,259 INFO L425 ceAbstractionStarter]: For program point L60-5(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,260 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 11:49:21,260 INFO L425 ceAbstractionStarter]: For program point L60-7(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,260 INFO L425 ceAbstractionStarter]: For program point L60-8(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,260 INFO L425 ceAbstractionStarter]: For program point L60-9(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,260 INFO L425 ceAbstractionStarter]: For program point L60-11(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L428 ceAbstractionStarter]: At program point L60-13(line 60) the Hoare annotation is: true [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point L60-14(line 60) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-10-24 11:49:21,261 INFO L425 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-10-24 11:49:21,262 INFO L425 ceAbstractionStarter]: For program point L61-4(line 61) no Hoare annotation was computed. [2018-10-24 11:49:21,262 INFO L425 ceAbstractionStarter]: For program point L61-6(lines 55 73) no Hoare annotation was computed. [2018-10-24 11:49:21,262 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 74) no Hoare annotation was computed. [2018-10-24 11:49:21,262 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 74) the Hoare annotation is: true [2018-10-24 11:49:21,262 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 53 74) no Hoare annotation was computed. [2018-10-24 11:49:21,262 INFO L428 ceAbstractionStarter]: At program point L87(lines 77 88) the Hoare annotation is: true [2018-10-24 11:49:21,262 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L79-3(line 79) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L421 ceAbstractionStarter]: At program point L5-2(lines 4 9) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond 1) [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 65) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 11:49:21,263 INFO L425 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 73) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 81 83) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L81-3(lines 81 83) no Hoare annotation was computed. [2018-10-24 11:49:21,264 INFO L428 ceAbstractionStarter]: At program point L81-4(lines 81 83) the Hoare annotation is: true [2018-10-24 11:49:21,264 INFO L425 ceAbstractionStarter]: For program point L81-5(lines 81 83) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L57-3(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L57-5(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L57-6(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,265 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 11:49:21,266 INFO L425 ceAbstractionStarter]: For program point L57-7(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,266 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-10-24 11:49:21,266 INFO L428 ceAbstractionStarter]: At program point L57-9(line 57) the Hoare annotation is: true [2018-10-24 11:49:21,266 INFO L425 ceAbstractionStarter]: For program point L57-10(line 57) no Hoare annotation was computed. [2018-10-24 11:49:21,266 INFO L425 ceAbstractionStarter]: For program point L74(lines 53 74) no Hoare annotation was computed. [2018-10-24 11:49:21,267 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 11:49:21,267 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-10-24 11:49:21,267 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 11:49:21,267 INFO L425 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-10-24 11:49:21,267 INFO L428 ceAbstractionStarter]: At program point L75(lines 48 76) the Hoare annotation is: true [2018-10-24 11:49:21,267 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 49 76) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-4(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-5(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,268 INFO L425 ceAbstractionStarter]: For program point L51-6(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,269 INFO L425 ceAbstractionStarter]: For program point L51-7(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,269 INFO L425 ceAbstractionStarter]: For program point L51-8(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,269 INFO L425 ceAbstractionStarter]: For program point L51-9(line 51) no Hoare annotation was computed. [2018-10-24 11:49:21,269 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-10-24 11:49:21,269 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 62 71) no Hoare annotation was computed. [2018-10-24 11:49:21,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:49:21 BoogieIcfgContainer [2018-10-24 11:49:21,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:49:21,283 INFO L168 Benchmark]: Toolchain (without parser) took 2369.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -691.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:21,285 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:21,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:21,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:21,288 INFO L168 Benchmark]: Boogie Preprocessor took 33.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:49:21,288 INFO L168 Benchmark]: RCFGBuilder took 782.51 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:21,289 INFO L168 Benchmark]: TraceAbstraction took 1107.10 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2018-10-24 11:49:21,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 782.51 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1107.10 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: cond == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 49 SDslu, 225 SDs, 0 SdLazy, 23 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 17 NumberOfFragments, 9 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 6256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...